628 



Index. 



Trybliophorus, 476 

 Tryxalidae, 442 



Synopsis of the South American 

 genera of, 443 

 tuberculata, Quadrula, 251, 254 



Rotundaria, 258 



Stiphra, 441 



Unio, 275 

 tumidus, Unio, 275 

 turgida, Rhytidochrota, 141 



ulreyi, Hemigrammus, 162 



undata, Fusconaia, 241 



undulata, Alasmidonta, 295, 296, 297 



Crenodonta, 246, 248 

 undulatus, Corydoras, 385, 403 



Strophitus, 299 

 unicolor, Atrachelacris, 129, 133 



Obovaria, 323 

 uniformis, Leptysma, 73 



Seyllina, 35 

 unilineatus, Hemigrammus, 162 

 Unio, 236, 240, 273 



batavus, 275 



circulus, 324 



crassidens, 266 



crassus, 275 



consentaneus, 276 



musivus, 275 



dolosus, 331 



ellipsis, 324 



(Elliptio) nigra, 266 



pictorum, 229, 274, 275 



purpuratus, 331 



tumidus, 275 

 Uniomerus, 240, 262, 273 



deelivis, 272 



tetralasmus, 272 

 Unionidae, 223, 224, 236, 336, 382 

 Unioninae, 227, 230, 236, 273 

 University of Pittsburgh: One hundred 



and twenty-fifth anniversary, 191 

 Uropelia, 513 



urostriatum, Decapogon, 385, 391 

 Utah, Expedition to, 194 



vanceae Cyclopium, 421 

 varicolor, Chlorus, 497 

 variegatus, Staurorhectus, 31 

 varipes, Chrostheipus, 89 



Opsomala, 89 



Seyllina, 36 

 velasquezi, Titanacris, 63 



Acridium, 63 



Lophacris, 63 

 venezuelanus, Corydoras, 404, 405 



Corydoras venezuelanus, 385 

 venezuelensis, Arremonops, 199 

 ventralis, Annulus, 414 



ventricosa, Lampsilis, 350, 351, 352 

 verissimi, Decapogon, 385, 391 

 Verrill, A. E., 571 

 Vesicatrus tegatus, 174 

 vibex, Eurynia, 340, 341 



var. nigrina, 340 

 Vilerna aeneo-oculata, 115 



flav'ipennis, 116 



rugulosa, 115 

 violacea, Acridium, 505 



Osmilia, 141, 505 

 violaceus, Gryllus, 141, 505 



Mastax, 6 

 virescens, Corydoras, 385, 396, 405 



Mastax, 6 

 viridicata, Elaeochlora, 54, 55, 463, 464, 

 46s 



Xiphicera, 54 

 viridifrons, Dichroatettix, 451 

 viridis, Arnilia, 80 



Dichromorpha, 449 



Leiotettix, 134 



Opsomala, 79, 80 



Ossa, 38 



Symphynota, 281, 282 

 viridula, Truxalis, 9 

 vitta-genae, Nautia, 65 



Ophthalmolampis, 477 

 vittata, Amblytropidia, 25, 28 

 vittatus, Chlorus, 137, 497, 498 



Eusitalces, 143 



Rhabdoscirtus, 117 

 vitticeps, Acridium, 98 



Adimantus, 98 

 vitticollis, Aleuas, 100 



Walton, Captain H. J., 418 

 Wattenwyl, Carl Brunner von, 433 

 Weber, Dr. H. L., 382 

 White Rhinoceros, 192 

 williamsoni, Cambarus, 416, 417 

 Woodward, Dr. A. Smith, 185, 371 

 woodwardianus, Ptychobranchus, 308 

 wynegungaensis, Parreysia, 276, 277 



xanthopygus, Myiobius, 208 

 Xestotrachelus hasemani, 469 



robusta, 470, 471 

 Xiphicera bivittata, 467 



trilineata, 54 



viridicata, 54 

 Xiphiola borellii, 116 

 Xiphocera basalis, 47 



elegans, 43 



hymenaea, 55 



obsoleta, 47 



picticollis, 467 



serrata, 43 



trilineata, 54 



